题解 | #围圈报数#

#include <bits/stdc++.h>

using namespace std;

int main(){
	
	
	int n, m;
	
	cin >> m;
	
	while (m --){
		cin >> n;
		queue<int> q;
		for (int i=1; i<=n; i++){
			q.push(i);
		}
		
		while (!q.empty())
		{
			for (int i=1; i<3; i++){
				q.push(q.front());
				q.pop();
			}
			cout << q.front() << " ";
			q.pop();
		}
		puts("");

	}
	
	return 0;
}